Glucosamine sulfate is a building block for cartilage and also helps to make the cushioning fluid between joints. To date, more than 20 clinical studies using glucosamine sulfate have been reported, with nearly 3,000 patients receiving either glucosamine sulfate or placebo. These studies show a favorable response to glucosamine sulfate vs. placebo in supporting healthy joint function. The glucosamine sulfate in doctor-recommended GS-500 is up to 98% absorbable, which makes it more readily available to the body to support healthy cartilage in your joints.

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